我在这里是为了给世界带来欢乐，并帮助全世界的儿童。

"To understand the future, one must first understand the past."

The well bred contradict other people.The wise contradict themselves.

A throw of the dice will never abolish chance.

The future of physics lies in our ability to manipulate processes that occur faster than we can currently measure.

人类的思想是如此复杂，事物之间是如此纠缠，以至于要解释一片草叶，就必须绘制宇宙的图表。

The most difficult thing is the decision to act, the rest is merely tenacity.

多样性不仅是道德要求，也是商业需求。